I don't really like the author. ___________I have to admit his books are very exciting.
A. although
B. unless
C. until
D. once
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异位妊娠简单可靠的诊断方法是
A. 妊娠试验
B. 声检查
C. 阴道后穹隆穿刺
D. 盆腔检查
E. 腹腔镜检查
Joan made_______ clear to me that she wished to make a new life for herself.
A. it
B. that
C. this
D. her
慢性肺心病急性发作期最常见的诱因是：
A. 过度劳累
B. 大量利尿剂
C. 应用镇静剂
D. 呼吸系统感染
E. 停用支气管扩张剂
按记忆信息保持时间和编码方式不同可分为( )。
A. 瞬时记忆
B. 短时记忆
C. 长时记忆
D. 有意记忆
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